Question about Uniden Radio Communications

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I BOUGHT 23 UNIDEN MODEL#GMR3740-3CK TWO WAY RADIOS AND TWO OF THEM ARE WORKING BUT ONE OF THEM HAS AT HE VOX SYMBOL ON IT AND I CANNOT GET IT OFF THE SCREEN PLEASE HELP.

VOX SYMBOL IS ON THE SCREEN AND I CANNOT GET IT OFF. THE OTHER TWO RADIOS I HAVE WORK FINE.

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Posted on May 17, 2016

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SOURCE: Headset problem with Uniden 1558

Determine if this is a VOX problem or a headset problem.

Turn off the VOX. Does the headset work for normal transmit and receive?

Remove the headsets. Do the radios work normally on speaker?

Plug one headset in And test with the (other) radio in speaker mode. Does it work? Now turn on VOX in this mode (yes it will work this way). Does vox work (put you mouth right on the mic)
If so swap headsets and try the other.

If one Hset works but not the other its the headset. If neither works its likely the radio ..but before you decide try the same headset experiment on the other radio. Find out which of the 4 devices the problem follows.

Happy New year

Posted on Jan 01, 2008

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1 Answer

How to turn on vox


power level will not matter. Some headsets need to be inserted when the radio is on. Others when it is off. Also, check the radio programming to be certain VOX is enabled.

Nov 05, 2014 | Midland LXT380 Two Way Radio

1 Answer

Uniden uh038sx 2


Your radio is either stuck in VOX mode, or has a bad PTT button. Sometimes when using an audio device a radio will stick in Tx if the device is plugged in while the radio is turned on. When using any remote mic, earpiece, headset, or audio device be certain the radio is turned off when plugging or unplugging the device.

If no audio device is being used, the next possibility is a sticky or bad PTT button. This can sometimes be just the external button sticking, or it can be the internal button has simply worn out from repeated use.

One final thought, if your radio has programmable VOX, check to see if your programming is correct. VOX features when turned on make the radio Tx when it hears any sound, a voice or ambient noise can cause the radio to transmit.

Best regards.

Sep 28, 2013 | Uniden Hand Held Scanner - BC-246T 2-Way...

1 Answer

Uniden turn off vox


Hi Jon,
The problem is easy to solve, so here goes:
vox indicates that your unit is set to work via the microphone(if you have one), and is activated when you start to speak, (hence vox=voice activated microphone), if you don't have the microphone that came with the unit, you will need to buy/borrow one and connect it to the unit, before you can turn off vox, so that the unit can work with or without the microphone(vox will no longer show), once you have done this.
I hope this helps.

Cheers,
Peter

Feb 22, 2013 | Uniden Radio Communications

2 Answers

We tried using a headset with it. Now, without the headset it goes back and forth between iVox and regular mode everytime you push the PTT button. Is there a way to stop it from going into Vox mode?


Here is a link to the user guide, reference page 22 for instructions on turning iVOX and VOX on or off: http://www.giantintl.com/ContentManage/manuals/Moto/T65xx.pdf (Double check you do not have the lock symbol showing while trying to change programming.)

Also, another phenomenon which can occur is when you unplug a headset or audio device while the radio is still turned on. This can leave the radio partially in VOX mode. You might try plugging in the device with the radio turned off. Then turn the radio on, use the device in VOX mode. Then shut the radio off and remove the device. See if it clears the radio's sense of having a headset plugged in.

A damaged jack can also cause the same problem.

Best regards.

Nov 05, 2010 | Motorola Talkabout T6500 (7 Channels)...

1 Answer

Have no info booklet need to get rid of feed back


To select the VOX level:
1) Enter the Menu. Advance through the Menu until
the vox icon appears on the display. The current
level (OFF, 1-3) will be indicated. Level oF (OFF)
disables VOX, while levels - set the
sensitivity of the VOX circuit.
2) Press either the up arrow or down arrow key to the desired VOX
sensitivity level. Use level 1 for increased
sensitivity to voice in normally quiet
environments, and use a higher level to reduce
undesired activation in very noisy environments.
3) Exit the Menu.

Feb 27, 2009 | Uniden GMR-325/2 2-Way Radio Walkie Talkie...

1 Answer

Can i have my UH064sx-2 Radio activate & send when i talk into it


AFAIK, this is only possible when you have the headset plugged in. The headset allows VOX operation (voice operated transmission). If there is nothing plugged in or the handset is plugged in, the VOX setting is automatically switched off.

You can adjust the sensitivity of the mic so that it will start transmission only when a certain sound level is exceeded. There is a tiny lag between when it detects the sound and when it starts transmitting.

Dec 22, 2008 | Uniden Radio Communications

1 Answer

Vox /PMR845-2CK


First, enter the menu and go to VOX. Then try to use the down arrow. As soon as on the screen apears OF press SEL 3 more times then your VOX should be off. Sorry for inconvenience but I don't know English verry good.

Sep 01, 2008 | Uniden GMR648-2CK (22 Channels) 2-Way...

1 Answer

Motorola T5622 VOX Not Activating with Autocom Sys I have an Autocom (Kit 300) motorbike coms system. I bought the accessory cord that interfaces to the Motorola T5622, for VOX I have followed the Motorola...


Hi Folks, two seperate checks to do - to check vox on autocom and transmit on motorola. With the T5622 unconnected to anything, does the push transmit button work - e.g. does it make the beep noise at the end of transmission?

Does your autocom work with any other sound sources - i.e. mp3 player so you can hear music. Does this mute when you speak ? (it should if vox is working). Note that in this setup vox is provided by autocom - NOT BY THE T5622. The instructions you mention are for the motorola vox kit.

Wire the two together and you should get the motorola beeping through your autocom at the end of transmit - that's what my kit 200 does with my T5622.

Mar 13, 2008 | Motorola Talkabout T6310 (14 Channels)...

1 Answer

Headset problem with Uniden 1558


Determine if this is a VOX problem or a headset problem.

Turn off the VOX. Does the headset work for normal transmit and receive?

Remove the headsets. Do the radios work normally on speaker?

Plug one headset in And test with the (other) radio in speaker mode. Does it work? Now turn on VOX in this mode (yes it will work this way). Does vox work (put you mouth right on the mic)
If so swap headsets and try the other.

If one Hset works but not the other its the headset. If neither works its likely the radio ..but before you decide try the same headset experiment on the other radio. Find out which of the 4 devices the problem follows.

Happy New year

Dec 24, 2007 | Uniden GMR-1558 / 2CK 2-Way Radio

3 Answers

Bell South 2250 one seems to be voice activated and other not voice activated.


To turn off sound activation press the menu button 3 times to enter VOX mode. The VOX icon should be flashing, then press the down button till the number of bars dissappear. Press the menu button to confirm the VOX off mode. You also can adjust the sensitivity of the VOX mode by how many bars are displayed, less bars equal less sensitivity. No bars and voice command is deactivated. Hope this helps. 

Nov 24, 2007 | BellSouth 2250BK (22 Channels) 2-Way Radio

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